These cupcakes are deceptively easy to make any time the desire for a jelly donut arises. Add a sprinkle of powdered sugar, and you have yourself one heck of a cupcake moonlighting as the donuts we all enjoyed as kids. And here's a tip: the cheaper the jam, the more authentic your cupcake will taste. Skip the fancy spreadable fruit stuff and go for the supermarket brand—the cops down at the station will thank you for it.